How to bite a number out of a string using regular expressions?

Question

Ruby on Rails

It seems that everything should be simple, but I can’t understand ... there is a line of text in which there may be a number of digits in which more than 3 (bit depth is more than 3). It is necessary that there would be a check for the presence of such a number, and if it is, then it was assigned to a variable. For example:
200054325/par and some other text
, you need 200054325 in the variable
Help please

Answer 1

For example like this:
/^(\d{3,})/.match('200054325/par')